I think it was grade crossing visibility improvement. Or, how many grade crossing accidents have been racked up, a la warbird nose art with kill counts...
Rio Grande SD40T-2 5373, Denver, CO, late 1975 (Bob Jordan) A trio of consists are at Denver Union Station in the mid-1970s, being the RGZ, a UP dome and BN's business train. (Bob Jordan)
Yea. No PTC (Positive Traction Control) cables. Re-rail frogs in place, the vertical handrails still black. I agree this is an early photo, in their lives. And yessir, clean, you know that didn't last long. Man oh man, those were great locomotives in their day.
A C&NW freight with an A-B-A set of GP35 847, Road Slug BU-36 and another GP35 are seen in South Dakota in April 1976 (Bob Jordan) Great Western 44 Tonner 40 is seen crossing CO-60 in Johnstown, CO while switching in late 1976 (Bob Jordan)
Wowsers, some really great color shots of a wide variety of power! Never knew the C&NW had a road slug, like the Milwaukee Road had! Cool!
GM&O RS-1 55, Joliet, IL, mid-1970s (Bob Jordan) A short Amtrak train powered by MILW E9A 31C (and companion) is at Glenview, IL in late 1971 (Bob Jordan)
Milwaukee Road FP7A 63A, April 1976 (Bob Jordan) The RGZ is on its way West out of Denver as it passes D&RGW SW1000 143, April 1976 (Bob Jordan)
A Rio Grande local west of Denver, June 1976 (Bob Jordan) Two Rio Grande freights meet at Plainview, CO in July of 1977 (Bob Jordan)
I once rode in the back seat of a Gremlin... It was about a dozen years old and the back seat was obviously NOT designed for anyone taller than 5'5"...I'm 6'
A UP freight with 10 diesels rolls into Cheyenne in August 1976 (Bob Jordan) A UP excursion is pulling into Denver in June 1976 (Bob Jordan)